[TD]clear selection affects vertex display

- clearing the selection here causes the new vertex to not be displayed

src/Mod/TechDraw/Gui/CommandAnnotate.cpp

@@ -231,7 +231,6 @@ void CmdTechDrawCosmeticVertexGroup::activated(int iMsg)
             Base::Console().message("CMD::CVGrp - invalid iMsg: %d\n", iMsg);
     };
     updateActive();
-    Gui::Selection().clearSelection();
 }
 
 Gui::Action * CmdTechDrawCosmeticVertexGroup::createAction()